Articles

• Direct, Inverse Theorems of Approximation by Linear Combinations of Weighted Baskakov–Durrmeyer Operators in Orlicz Spaces

  Lingxiong Han, Yumei Bai

  221-239

  https://doi.org/10.4208/ata.OA-2022-0013

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  15438 1984

• The Convexity of Inclusions and Gradient’s Concentration for Lamé Systems with Partially Infinite Coefficients

  Yuanyuan Hou, Haigang Li

  240-310

  https://doi.org/10.4208/ata.OA-2023-0019

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  15208 1973

• Examples of Twice Differentiable Functions with Continuous Laplacian and Bounded Discontinuous Hessian

  Yifei Pan, Yu Yan

  311-334

  https://doi.org/10.4208/ata.OA-2024-0017

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  15298 2000